third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.cpp - Issue 2459393003: Only promote fixed position elements on low dpi without transform or opacity.

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Unified Diff: third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.cpp

Issue 2459393003: Only promote fixed position elements on low dpi without transform or opacity. (Closed)

Patch Set: Reset tests which are no longer composited to old expectations. Created 4 years, 1 month ago

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Index: third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.cpp

diff --git a/third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.cpp b/third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.cpp

index edcba00f7e7e0af53a2d28f112856e8e16eb141b..2811bb69aa353cbc629f866db95f2448609ebf96 100644

--- a/third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.cpp

+++ b/third_party/WebKit/Source/core/paint/PaintLayerScrollableArea.cpp

@@ -1685,9 +1685,7 @@ static bool layerNeedsCompositedScrolling(

layer->canPaintBackgroundOntoScrollingContentsLayer() &&

layer->backgroundIsKnownToBeOpaqueInRect(

toLayoutBox(layer->layoutObject())->paddingBoxRect()) &&

- !layer->transformAncestor() && !layer->transform() &&

- !layer->opacityAncestor() &&

- !layer->layoutObject()->style()->hasOpacity();

+ !layer->compositesWithTransform() && !layer->compositesWithOpacity();

if (mode == PaintLayerScrollableArea::ConsiderLCDText &&

!layer->compositor()->preferCompositingToLCDTextEnabled() &&

!backgroundSupportsLCDText)

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